. >>> for the first time, the pentagon is considering scaling back on the massive buildup of drones. the military uses those unmanned aircraft to go after terror suspects. the controversy erupted last week with where targets could include suspected american terrorists overangels. leaders at the defense department are evaluating whether there's enough drones already patrolling the skies and they'll try to determine whether changing security threats call for different resources. >>> still ahead on "news4 at 6," tornadoes rip through the south. we'll take a tour from the sky to survey the damage. >>> police in delaware revealing a possible motive behind a shootout inside a courthouse today. >>> wouldn't it be awful to be stuck on a cruise ship with the toilets not work >>> distill aware's top prosecutor says a longstanding custody dispute led to a deadly shootout. police say a man walked into the lobby of the courthouse and opened fired. killed in the exchange, two women and the gunman himself. two officers were wounded, but are expected to be okay. at this time state police are not ide